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JPL Small-Body Database Browser
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447731 (2007 EF217)
Classification: Main-belt Asteroid          SPK-ID: 2447731
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08165643855892799 6.8122e-08  
a 3.149430364017221 5.7239e-08 au
q 2.892259097002226 2.1527e-07 au
i 7.369030126888426 9.9024e-06 deg
node 181.3861207870343 6.1072e-05 deg
peri 288.9921888162212 8.7436e-05 deg
M 118.9924464690793 6.3705e-05 deg
tp 2457925.718239285201
(2017-Jun-21.21823929)
0.00035756 TDB
period 2041.486170472609
5.59
5.5654e-05
1.524e-07
d
yr
n .1763421203664873 4.8073e-09 deg/d
Q 3.406601631032215 6.1913e-08 au
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      5403 days (14.79 yr)  
   first obs. used      2004-09-12  
   last obs. used      2019-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66056  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:49:31  

Additional Information
 Earth MOID = 1.91987 au 
 Jupiter MOID = 1.70992 au 
 T_jup = 3.190 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO437740  

447731 (2007 EF217)          Discovered 2007-Mar-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1904-Dec-09 09:56 00:09 Jupiter 1.95625287158184 1.95624877407812 1.95625696913372 4.17063871722467 4.06549665716172 2416823.914183776 8.9558875231567 541.604682001589 37.2173416278154 70.2372784613353 1752674.41534368 T 11 CATAB v2.0f-lin.ifort 2019-Sep-24 07:49:33 2019-Sep-24 07:49
1915-May-16 02:28 00:08 Jupiter 1.73871470333291 1.73871332534991 1.73871608135486 3.03530432355545 2.87032464003618 2420633.602648508 8.41232241957413 562.035286299428 32.427538552113 89.2781749348418 1190722.32903224 T 11 CATAB v2.0f-lin.ifort 2019-Sep-24 07:49:33 2019-Sep-24 07:49
1925-Sep-24 16:56 00:08 Jupiter 1.81631114263813 1.81630922530127 1.81631305997849 2.29629113773649 2.08333113292978 2424418.205886306 7.81216303049918 182.73248443334 32.323331152022 -61.8598536788041 1558448.54568082 T 11 CATAB v2.0f-lin.ifort 2019-Sep-24 07:49:33 2019-Sep-24 07:49
1999-May-03 21:01 00:02 Jupiter 1.83385404385003 1.83385288226583 1.83385520543516 3.69281947123915 3.56555093288813 2451302.375900532 1.52582382823873 123.878584638896 36.3056735512855 73.7099026268207 1468700.95855823 T 11 CATAB v2.0f-lin.ifort 2019-Sep-24 07:49:33 2019-Sep-24 07:49
2009-Sep-30 21:56 < 00:01 Jupiter 1.72127859492479 1.72127771232656 1.72127947752263 2.64850089882814 2.45568294304546 2455105.413814405 0.769951893403678 111.4628392459 30.0990158213312 -89.9911987086134 1219380.63309879 T 11 CATAB v2.0f-lin.ifort 2019-Sep-24 07:49:33 2019-Sep-24 07:49
2020-Feb-07 14:32 < 00:01 Jupiter 1.89476575960997 1.89476481068503 1.89476670853502 2.46221515599235 2.27341984626695 2458887.105637307 0.603996060585124 95.9769719030484 15.8011644134211 -72.105627154661 1661755.34988122 T 11 CATAB v2.0f-lin.ifort 2019-Sep-24 07:49:33 2019-Sep-24 07:49
2093-Sep-23 22:45 00:06 Jupiter 1.74505071634386 1.74504932635161 1.7450521063605 3.27167363390015 3.11978799536316 2485779.447586678 6.22455682385155 437.802582910357 33.8973092912103 85.6429561325015 1289970.12680115 T 11 CATAB v2.0f-lin.ifort 2019-Sep-24 07:49:33 2019-Sep-24 07:49
2104-Feb-13 23:40 00:07 Jupiter 1.76424637536421 1.76424438089048 1.76424836984957 2.42467668108904 2.21784763461689 2489573.485958563 7.45452082459808 282.956649651655 44.9245180177951 -65.8848538280372 1365488.50431541 T 11 CATAB v2.0f-lin.ifort 2019-Sep-24 07:49:33 2019-Sep-24 07:49
2177-Sep-12 02:05 00:13 Jupiter 1.89222665218624 1.89222135508417 1.8922319493962 3.83031761307564 3.71161253730784 2516447.586938919 12.8705303024205 780.797603906337 36.7868135688179 72.5180244428835 1572614.57103323 T 11 CATAB v2.0f-lin.ifort 2019-Sep-24 07:49:33 2019-Sep-24 07:49
2188-Feb-13 17:06 00:14 Jupiter 1.69567071975648 1.6956698656365 1.69567157387781 2.90071750212166 2.72307193364176 2520254.212533716 14.0432826461035 928.592494341395 33.0192909198422 -86.3266852170303 1177317.50377196 T 11 CATAB v2.0f-lin.ifort 2019-Sep-24 07:49:33 2019-Sep-24 07:49
2198-Jun-29 00:57 00:16 Jupiter 1.83625516285196 1.83624995227507 1.83626037343021 2.3992620040045 2.19861408599406 2524042.539237752 15.5725133092919 280.678936673642 66.5253921851529 -40.4612114176508 1013820.94064749 T 11 CATAB v2.0f-lin.ifort 2019-Sep-24 07:49:33 2019-Sep-24 07:49
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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